Sergey Vojtovich 31e365efae MDEV-8010 - Avoid sql_alloc() in Items (Patch #1) ...

Added mandatory thd parameter to Item (and all derivative classes) constructor.
Added thd parameter to all routines that may create items.
Also removed "current_thd" from Item::Item. This reduced number of
pthread_getspecific() calls from 290 to 177 per OLTP RO transaction.

2015-08-21 10:40:39 +04:00

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